Chemistry Letters p. 259 - 262 (1994)
Update date:2022-08-10
Topics:
Takahashi, Tamotsu
Kondakov, Denis Y.
Suzuki, Noriyuki
Zirconium-alkyne complexes or zirconacyclopentenes, which are easily prepared in situ from alkynes, reacted with acrolein diethylacetal to afford vinyl ether derivatives.The C-C bond formation proceeded exclusively at β-position of the α,β-unsaturated acetal.Zirconium catalyzed C-C bond formation reactions of α,β-unsaturated acetals with EtMgBr also proceeded at β-position exclusively.
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